WO2022236853A1 - Foret hélicoïdal pour usinage intelligent à domicile - Google Patents

Foret hélicoïdal pour usinage intelligent à domicile Download PDF

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Publication number
WO2022236853A1
WO2022236853A1 PCT/CN2021/094419 CN2021094419W WO2022236853A1 WO 2022236853 A1 WO2022236853 A1 WO 2022236853A1 CN 2021094419 W CN2021094419 W CN 2021094419W WO 2022236853 A1 WO2022236853 A1 WO 2022236853A1
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WO
WIPO (PCT)
Prior art keywords
working
adjustable
fixed
twist drill
shock
Prior art date
Application number
PCT/CN2021/094419
Other languages
English (en)
Chinese (zh)
Inventor
陈争
李珍珍
Original Assignee
浙江砚童家具股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江砚童家具股份有限公司 filed Critical 浙江砚童家具股份有限公司
Publication of WO2022236853A1 publication Critical patent/WO2022236853A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills

Definitions

  • the utility model relates to the technical field of metal cutting tools, in particular to a twist drill for smart home processing.
  • a twist drill is a tool that drills a circular hole in a workpiece by rotating it relative to a fixed axis. Twist drills can be clamped on manual and electric hand-held drilling tools or drilling machines, milling machines, lathes and even machining centers.
  • the drill bit material is generally high-speed tool steel or hard alloy. When using twist drills, it is usually necessary to match the corresponding drilling device.
  • the utility model provides a twist drill for smart home processing.
  • a twist drill for smart home processing which sequentially includes an adjustable part, one end of the adjustable part is formed with a mounting part, and the other end is fixed with a working part, and the adjustable part includes an opening near the working part.
  • An adjustable cavity, an adjustable mechanism is fixed at one end of the adjustable cavity close to the installation part, and a shock-absorbing mechanism is fixed at one end of the adjustable cavity close to the working part.
  • the adjustable mechanism includes an elastic telescopic mechanism and a clamping mechanism.
  • the working part includes a working body and a working clamping area formed on one end of the working body close to the adjustable part, and a working boss is formed on the end of the working clamping area away from the working body.
  • the elastic telescopic mechanism includes a telescopic rod, the telescopic rod is covered with an elastic member, one end of the elastic member is fixed in the adjustable cavity and close to the installation part, and the other end is fixed to the bearing
  • the side of the force platform away from the elastic member is provided with a settling groove matching the size and shape of the working boss, and the settling groove and the working boss are screwed and fixedly connected.
  • the clamping mechanism includes a threaded rod connected to the adjustable part, and one end of the screw rod extending into the adjustable cavity is fixed with the clamping part.
  • the shock absorbing mechanism includes a shock absorbing ring fixed in the adjustable cavity, a shock absorbing unit is fixed on the shock absorbing ring, and the shock absorbing unit includes a second elastic member and is fixed on the first
  • the number of the shock absorbing units is 2-5 groups.
  • a gasket is fixed at the end of the shock-absorbing clamping block away from the sliding rod.
  • a magnetic attraction layer is fixed at an end of the clamping portion away from the screw rod.
  • a titanium nitride coating is fixed on the surface of the working part.
  • the utility model discloses a twist drill for smart home processing, which includes an adjustable part, the adjustable part includes an adjustable mechanism, and the adjustable mechanism includes an elastic telescopic mechanism and a clamping mechanism,
  • the elastic telescopic mechanism plays the role of shock absorption and support, and the clamping mechanism plays a fixed role.
  • the length adjustment function of the twist drill can be realized, and the twist drill can be enlarged.
  • the scope of application of the drill can.
  • the utility model discloses a twist drill for smart home processing, which is provided with a shock absorbing mechanism. Through the shock absorbing mechanism, the vibration amplitude of the working part can be effectively reduced, preventing the drill bit from breaking due to a large vibration amplitude. Improve the stability and accuracy of the drill when working.
  • the utility model discloses a twist drill for smart home processing.
  • the working part and the load-bearing platform are fixedly connected by threads, realizing the detachable connection between the working part and the adjustable part, so that the working part When damaged, continue working by replacing the working part, improve work efficiency, increase the service life of the twist drill, and reduce the user's economic loss.
  • Fig. 1 is a perspective view of a twist drill for smart home processing of the present utility model
  • Fig. 2 is a kind of smart household processing of the utility model stretches the longest sectional view of the twist drill;
  • Fig. 3 is a telescopic shortest sectional view of a twist drill for smart home processing of the present utility model
  • Fig. 4 is the front view of the damping mechanism of the present utility model
  • Fig. 5 is a front view of the clamping mechanism of the present invention.
  • installation part 1 adjustable part 2, adjustable mechanism 21, elastic telescopic mechanism 4, telescopic rod 41, elastic member 42, bearing platform 43, clamping mechanism 5, screw rod 51, clamping part 52, reducing Shock mechanism 23, damping ring 231, second elastic member 232, damping slide block 233, slide bar 234, damping clamping block 235, working part 3, working body 31, working clamping area 32, working boss 33 .
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • a feature defined as “first” or “second” may explicitly or implicitly include one or more of said features.
  • plural means two or more, unless otherwise specifically defined.
  • a twist drill for smart home processing includes an adjustable part 2 in turn, one end of the adjustable part 2 is formed with a mounting part 1, and the other end is fixed with a working part 3;
  • the mounting part 1 is used for a hand-held drilling tool or a drilling machine or a milling machine or a lathe, which is a conventional setting in the field, so no further details are given;
  • the working part 3 includes a working body 31 and a working clamping area 32 formed on one end of the working body 31 close to the adjustable part 2, and a working clamping area 32 is formed on the end of the working clamping area 32 away from the working body 31.
  • the boss 33, the working body 31 is a twist drill head, which is used for drilling, and is a conventional setting in this field. It has also been detailed in the patent document named "Twist Drill” and the patent application number CN201911189475.9. It is public, so I won't repeat it.
  • the working clamping part 32 is cylindrical, which is convenient for clamping. If the working clamping part 32 and the working body 31 are in the same twist shape, the clamping firmness is not good;
  • the adjustable part 2 includes an adjustable cavity with an opening close to one end of the working part 3 , and an adjustable mechanism 21 is fixed inside the adjustable cavity close to the end of the mounting part 1 , which is close to the working part 3 .
  • One end is fixed with shock-absorbing mechanism 23.
  • the adjustable mechanism 21 includes an elastic telescopic mechanism 4 and a clamping mechanism 5.
  • the elastic telescopic mechanism 4 includes a telescopic rod 41, the telescopic rod 41 is covered with an elastic member 42, one end of the elastic member 42 is fixed in the adjustable cavity and close to the installation part 1, and the other end of the elastic member 42 is Fixed on the load-bearing platform 43, the side of the bearing platform 43 away from the elastic member 42 is provided with a settling groove that matches the size and shape of the working boss 33, and the settling groove is compatible with the working boss 33.
  • the elastic member 42 can be a shock-absorbing spring, which plays the role of shock-absorbing and supporting, avoids damage to the twist drill caused by high pressure, increases the service life, and reduces the economic loss of the user;
  • the clamping mechanism 5 includes screw rods 51 threadedly connected with the adjustable part 2, and the screw rods 51 are equidistantly distributed on the outer circumference of the adjustable part 2 and extend into the adjustable cavity.
  • One end of the threaded rod 51 extending into the adjustable cavity is fixed with a clamping portion 52, the clamping portion 52 is arc-shaped, and three arc-shaped clamping portions 52 form a diameter equal to the
  • the diameter and shape of the working clamping part 32 are circular, which is more conducive to tightly clamping the working clamping part 32 and the clamping is more stable and firm.
  • the shock absorbing mechanism 23 includes a shock absorbing ring 231 fixed in the adjustable cavity, a shock absorbing unit is fixed on the shock absorbing ring 231, and the shock absorbing unit includes a second elastic member 232 And the shock-absorbing slider 233 fixed on both ends of the second elastic member 232, the second elastic member 232 is sleeved on the shock-absorbing ring 231, and the shock-absorbing slider 233 is slidably connected to the shock-absorbing ring 231, the damping slider 233 is hinged with a sliding rod 234, and the end of the sliding rod 234 away from the damping slider 233 is hinged with a damping clamping block 235, and the number of the damping units is 2 ⁇ 5 groups, since the working part 3 and the adjustable part 2 are clamped and fixed by the clamping mechanism 5, during the working process of the working part 3, the working part 3 will shake and affect the accuracy of punching, so this practical
  • the new vibration damping mechanism 23 can effectively reduce the vibration amplitude of the working part 3, prevent the drill bit
  • a sealing pad is fixed on the end of the shock-absorbing clamping block 235 away from the sliding rod 234, and the sealing pad is made of rubber or silicone material, which can reduce the gap between the adjustable cavity and the working part 3, and at the same time It has the function of further buffering and dissipating energy.
  • the end of the clamping part 52 away from the screw rod 51 is fixed with a magnetic attraction layer, thereby solving the problem that the existing twist drill tends to shake during operation.
  • a titanium nitride coating is fixed on the surface of the working part 3, so as to improve the high temperature resistance and wear resistance of the twist drill, and further improve the service life of the twist drill.
  • a shock-absorbing pad is fixed on the outer wall of the bearing platform 43, the shock-absorbing pad is made of rubber or silica gel, and the shock-absorbing pad fits with the inner wall of the adjustable cavity, so that On the premise of not affecting the free movement of the load-bearing platform 43 in the adjustable cavity, it can further play the role of stabilizing and shock-absorbing.
  • the specific working process is: when it is necessary to adjust the length of the working part 3, turn the screw mandrel 51 to make it move to the outer wall of the adjustable part 2.
  • the vibration will drive the damping clamping block 235 to move up and down, and the damping clamping block 235 will drive the damping slider 233 to move towards each other on the damping ring 231 through the sliding rod 234, and the moving damping slider 233 will involve the second
  • the second elastic member 232 makes it in a stretched state, and finally under the rebound force of the second elastic member 232, the shock absorbing slider 233 resets, so that the shock absorbing clamping block 235 produces a reverse acting force on the working part 3 , to prevent the vibration of the working part 3, thereby effectively reducing the vibration amplitude of the working part 3, preventing the twist drill from breaking due to a large vibration amplitude, and improving the stability and accuracy of the twist drill during work.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

Un foret hélicoïdal destiné à l'usinage intelligent à domicile. Le foret hélicoïdal comprend une partie réglable (2), une partie de montage (1) étant formée sur une extrémité de la partie réglable (2), et une partie de travail (3) étant fixée à son autre extrémité, la partie réglable (2) comprend une cavité réglable ayant une extrémité ouverte à proximité de la partie de travail (3), un mécanisme réglable (21) est fixé à l'extrémité à l'intérieur de la cavité réglable qui est proche de la partie de montage (1), et un mécanisme d'absorption des chocs (23) est fixé à son extrémité à proximité de la partie de travail (3). La fonction de réglage de longueur du foret hélicoïdal lors de l'utilisation peut être obtenue au moyen du mécanisme réglable (21), de sorte que la plage d'application du foret hélicoïdal est élargie. L'amplitude de vibration de la partie de travail (3) peut être efficacement réduite au moyen du mécanisme d'absorption des chocs (23), évitant ainsi qu'un trépan ne se casse en raison d'une grande amplitude de vibration, et améliorant également la stabilité et la précision du trépan pendant le travail.
PCT/CN2021/094419 2021-05-12 2021-05-18 Foret hélicoïdal pour usinage intelligent à domicile WO2022236853A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121006119 2021-05-12
CN202121006119.1 2021-05-12

Publications (1)

Publication Number Publication Date
WO2022236853A1 true WO2022236853A1 (fr) 2022-11-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/094419 WO2022236853A1 (fr) 2021-05-12 2021-05-18 Foret hélicoïdal pour usinage intelligent à domicile

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WO (1) WO2022236853A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994615A (en) * 1975-06-12 1976-11-30 Narang Rajendra K Multiple part cutting tool
CN205851938U (zh) * 2016-08-12 2017-01-04 绵阳杰鑫工具科技有限公司 一种伸缩式深孔钻
CN209035534U (zh) * 2018-11-20 2019-06-28 武汉阿诺精密工具有限公司 一种可调节长度的超长内冷深孔钻
CN210435430U (zh) * 2019-06-06 2020-05-01 丹阳市旭阳工具有限公司 一种可调节长度的麻花钻
CN210498491U (zh) * 2019-06-17 2020-05-12 丹阳市环宇特钢有限公司 一种用于深孔加工的加长麻花钻
CN212551899U (zh) * 2020-06-24 2021-02-19 浙江贝利工具有限公司 一种可调节长度的麻花钻

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994615A (en) * 1975-06-12 1976-11-30 Narang Rajendra K Multiple part cutting tool
CN205851938U (zh) * 2016-08-12 2017-01-04 绵阳杰鑫工具科技有限公司 一种伸缩式深孔钻
CN209035534U (zh) * 2018-11-20 2019-06-28 武汉阿诺精密工具有限公司 一种可调节长度的超长内冷深孔钻
CN210435430U (zh) * 2019-06-06 2020-05-01 丹阳市旭阳工具有限公司 一种可调节长度的麻花钻
CN210498491U (zh) * 2019-06-17 2020-05-12 丹阳市环宇特钢有限公司 一种用于深孔加工的加长麻花钻
CN212551899U (zh) * 2020-06-24 2021-02-19 浙江贝利工具有限公司 一种可调节长度的麻花钻

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